import java.util.Timer;
import java.util.TimerTask;

public class demo1 {
    public static void main(String [] args){
        /*Timer timer=new Timer();
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                System.out.println("3000");
            }
        }, 3000);
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                System.out.println("2000");
            }
        }, 2000);
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                System.out.println("1000");
            }
        }, 1000);
        System.out.println("程序启动");*/
        Thread t = new Thread(new Runnable() {
            @Override
            public void run() {
                System.out.println("1");
            }
        });
        t.start();
        System.out.println("2");
    }
}
